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4393aa4e6b
A domain_device can always reference back to ->lldd_ha unlike local lldd structures. Fix up cases where the driver uses local objects to look up the isci_host. This also changes the calling conventions of some routines to expect a valid isci_host parameter rather than re-lookup the pointer on entry. Incidentally cleans up some macros that are longer to type than the open-coded equivalent: isci_host_from_sas_ha isci_dev_from_domain_dev Signed-off-by: Dan Williams <dan.j.williams@intel.com>
107 lines
4.4 KiB
C
107 lines
4.4 KiB
C
/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#if !defined(_ISCI_REMOTE_DEVICE_H_)
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#define _ISCI_REMOTE_DEVICE_H_
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struct isci_host;
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struct scic_sds_remote_device;
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struct isci_remote_device {
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enum isci_status status;
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#define IDEV_START_PENDING 0
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#define IDEV_STOP_PENDING 1
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#define IDEV_ALLOCATED 2
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unsigned long flags;
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struct isci_port *isci_port;
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struct domain_device *domain_dev;
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struct list_head node;
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struct list_head reqs_in_process;
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spinlock_t state_lock;
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};
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static inline struct scic_sds_remote_device *to_sci_dev(struct isci_remote_device *idev)
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{
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/* core data is an opaque buffer at the end of the idev */
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return (struct scic_sds_remote_device *) &idev[1];
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}
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#define ISCI_REMOTE_DEVICE_START_TIMEOUT 5000
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void isci_remote_device_start_complete(struct isci_host *ihost,
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struct isci_remote_device *idev,
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enum sci_status);
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void isci_remote_device_stop_complete(struct isci_host *ihost,
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struct isci_remote_device *idev,
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enum sci_status);
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enum sci_status isci_remote_device_stop(struct isci_host *ihost,
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struct isci_remote_device *idev);
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void isci_remote_device_nuke_requests(struct isci_host *ihost,
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struct isci_remote_device *idev);
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void isci_remote_device_ready(struct isci_host *ihost,
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struct isci_remote_device *idev);
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void isci_remote_device_not_ready(struct isci_host *ihost,
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struct isci_remote_device *idev, u32 reason);
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void isci_remote_device_gone(struct domain_device *domain_dev);
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int isci_remote_device_found(struct domain_device *domain_dev);
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bool isci_device_is_reset_pending(struct isci_host *ihost,
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struct isci_remote_device *idev);
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void isci_device_clear_reset_pending(struct isci_host *ihost,
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struct isci_remote_device *idev);
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void isci_remote_device_change_state(struct isci_remote_device *idev,
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enum isci_status status);
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#endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */
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